Provide an appropriate response.The probability distribution for the random variable X is: 
What is the expected value of X?
A. 0.62
B. 0.26
C. 0.22
D. 0.50
Answer: A
Mathematics
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A. {14} B. {0, 14} C. {-14, 14} D. {-14}
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Evaluate the addition and subtraction problem.8.7 - |7.8| - |15.5|
A. -14.6 B. 32 C. 1 D. 16.4
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Provide an appropriate response.Explain what is wrong with the following solution for the equation 
in the interval 
sin 2? = 
sin ? = 
? = 
or ? = 
style="vertical-align: -17.0px;" /> What will be an ideal response?
Mathematics
Collect like terms and then arrange in descending order.-4x2 + 2x5 - 8x + 2x5 - 5x - 4x2
A. -3x5 - 2x2 - 12x B. 4x - 8x5 - 13x2 C. 4x5 - 8x2 - 13x D. -17x8
Mathematics